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Screenshots

  • Crypto String - AES Encrypt screenshot 1
  • Crypto String - AES Encrypt screenshot 2
  • Crypto String - AES Encrypt screenshot 3

About Crypto String - AES Encrypt

Crypto String is the ultimate secure text encryption app using military-grade AES-256-GCM with authentication. Protect your sensitive information with powerful encryption and Base64 encoding — all 100% offline and private. Core Features • AES-256-GCM Encryption – Military-grade algorithm with custom keys for unique results • Base64 Encode/Decode – Fast and reliable for data transmission and storage • File Import – Directly import text/keys from local files or iCloud Drive • Smart Key Management – Import keys + eye-icon toggle to view/hide safely • History Records – Auto-save last 10 operations with key hints (only first 4 chars) • Multilingual Interface – Automatic language switching • Dark Mode + iOS Native – Built with Apple CryptoKit for maximum security Security First • 100% Local Processing – Nothing uploaded to cloud • No data collection, no accounts, no tracking • Keys never stored in plain text • One-time purchase, no ads, no subscriptions Perfect for protecting passwords, notes, private messages, or business data. Simple, fast, and truly private. Download Crypto String now and encrypt with confidence!

What’s new

Version 1.0.5 · Updated July 26, 2026

Version 1.0.5 • Import text and keys from Files & iCloud Drive • New eye-icon to safely show or hide your key • Refined settings layout and dark mode • Performance and stability improvements

App privacy

The developer, Xu Wang, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to Crypto String - AES Encrypt

Looking for apps like Crypto String - AES Encrypt? Here are 6 similar apps on the App Store. The highest rated is OneCryption (5.0/5), and 5 of the 6 are free to download.

Crypto String - AES Encrypt vs. alternatives
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Crypto String - AES Encrypt – 0.99 USD July 26, 2026
TXTCrypt - Hash & Encrypt Tool – 1.99 USD Apr 17, 2026 Compare
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Compare Crypto String - AES Encrypt with the top alternatives: ratings, updates, ASO score and keyword gaps →